tree a234d31cdafc796b8f647266b939b2db25b09727
parent 362d0c7b75a788e9e5bdddcc6aa2174be2cd143a
author Jingning Han <jingning@google.com> 1495217800 -0700
committer Jingning Han <jingning@google.com> 1495224082 +0000

Prevent obmc access 2x2 level prediction block

When the above and left neighbor blocks are coded in the sub8x8
block size, use 4x4 level prediction block to produce the reference
for obmc.

Change-Id: Ic19f6e3b3880cebd153078823a3b77b04e28053b